The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2008
Filed:
Sep. 23, 2004
Rainer Widmann, Ravensburg, DE;
Bernhard Moser, Altshausen, DE;
Rainer Widmann, Ravensburg, DE;
Bernhard Moser, Altshausen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A drilling and/or chiseling tool, in particular for machining materials such as concrete, rock, masonry, and the like, having a hard metal cutting element () contained in the machining end of the tool head, a radially outer, second working region (II) of the hard metal cutting element () being set back in relation to a central, first working region (I) of the hard metal cutting element () and the two working regions (I, II) transitioning into each other via a third working region (III). The third working region (III) is at least partially comprised of at least one partial circumference surface () of at least one conical surface.